updated Readme.md

Author: joewnga

README.md

@@ -121,8 +121,8 @@ Note: Some solutions have multiple approaches implemented
 | 113 | [Path Sum II](https://leetcode.com/problems/path-sum-ii/) | [Solution](./leetcode/path_sum_ii.rs) | Medium |
 | 114 | [Flatten Binary Tree to Linked List](https://leetcode.com/problems/flatten-binary-tree-to-linked-list/) | [Solution](./leetcode/flatten_binary_tree.rs) | Medium |
 | 115 | [Distinct Subsequences](https://leetcode.com/problems/distinct-subsequences/) | [Solution](./leetcode/distinct_subsequences.rs) | Hard |
-| x116 | [Populating Next Right Pointers in Each Node](https://leetcode.com/problems/populating-next-right-pointers-in-each-node/) | [Solution](./leetcode/populating_next_right_pointers.rs) | Medium |
-| x117 | [Populating Next Right Pointers in Each Node II](https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/) | [Solution](./leetcode/populating_next_right_pointers_ii.rs) | Medium |
+| *116 | [Populating Next Right Pointers in Each Node](https://leetcode.com/problems/populating-next-right-pointers-in-each-node/) | [Solution](./leetcode/populating_next_right_pointers.rs) | Medium |
+| *117 | [Populating Next Right Pointers in Each Node II](https://leetcode.com/problems/populating-next-right-pointers-in-each-node-ii/) | [Solution](./leetcode/populating_next_right_pointers_ii.rs) | Medium |
 | 118 | [Pascal's Triangle](https://leetcode.com/problems/pascals-triangle/) | [Solution](./leetcode/pascals_triangle.rs) | Easy |
 | 119 | [Pascal's Triangle II](https://leetcode.com/problems/pascals-triangle-ii/) | [Solution](./leetcode/pascals_triangle_ii.rs) | Easy |
 | >120 | [Triangle](https://leetcode.com/problems/triangle/) | [Solution](./leetcode/triangle.rs) | Medium |
@@ -145,4 +145,8 @@ Note: Some solutions have multiple approaches implemented
 | 137 | [Single Number II](https://leetcode.com/problems/single-number-ii/) | [Solution](./leetcode/single_number_ii.rs) | Medium |
 | 138 | [Copy List with Random Pointer](https://leetcode.com/problems/copy-list-with-random-pointer/) | [Solution](./leetcode/copy_list_with_random_pointer.rs) | Medium |
 | 139 | [Word Break](https://leetcode.com/problems/word-break/) | [Solution](./leetcode/word_break.rs) | Medium |
-| 140 | [Word Break II](https://leetcode.com/problems/word-break-ii/) | [Solution](./leetcode/word_break_ii.rs) | Hard |
+| 140 | [Word Break II](https://leetcode.com/problems/word-break-ii/) | [Solution](./leetcode/word_break_ii.rs) | Hard |
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+`*` - rust solution isn't available